127243775152 has 20 divisors (see below), whose sum is σ = 265499031280. Its totient is φ = 58727896128.

The previous prime is 127243775111. The next prime is 127243775161. The reversal of 127243775152 is 251577342721.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305874252 + ... + 305874667.

It is an arithmetic number, because the mean of its divisors is an integer number (13274951564).

Almost surely, 2^127243775152 is an apocalyptic number.

It is an amenable number.

127243775152 is an abundant number, since it is smaller than the sum of its proper divisors (138255256128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127243775152 is a wasteful number, since it uses less digits than its factorization.

127243775152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611748940 (or 611748934 counting only the distinct ones).

The product of its digits is 823200, while the sum is 46.

The spelling of 127243775152 in words is "one hundred twenty-seven billion, two hundred forty-three million, seven hundred seventy-five thousand, one hundred fifty-two".